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3.3F Catheter/Sheath System for Use in Diagnostic Neuroangiography

Hiro Kiyosuea, Mika Okaharaa, Hirofumi Nagatomib, Takaharu Nakamurab, Shuichi Tanouec and Hiromu Moric

a Department of Radiology, Nagatomi Neurosurgical Hospital, Japan
b Department of Neurosurgery, Nagatomi Neurosurgical Hospital, Japan
c Department of Radiology, Oita Medical University, Japan



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  		FIG 1. Arteriograms evaluated using a two-degree grading scale of good and poor.

A, Right anterior oblique arteriogram of the left vertebral artery was evaluated as good. A small aneurysm of the right vertebral-basilar junction can be seen. Note a retrograde flow to the opposite vertebral artery.

B, Lateral arteriogram of the common carotid artery in a patient with a high flow arteriovenous malformation was evaluated as poor. Peripheral branches of the cerebral arteries are not well visualized.





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X